#618971
Closest named color: Slate Green (#658D6D). oklch(59.3% 0.058 157.8), rgb(97, 137, 113).
Aa
Black text reads best on this color (5.32:1).
About this color
#618971 is a medium-dark, muted green. In OKLCH its lightness is 59%, its chroma 0.058 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.016 away. Black text reads best on it, at 5.32:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #618971 |
| RGB | rgb(97, 137, 113) |
| HSL | hsl(144, 17%, 46%) |
| OKLCH | oklch(59.3% 0.058 157.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #618971 | 3.94:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #618971 | 5.32:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #618971 text on white | 3.94:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #618971 text on black | 5.32:1 | AA | Lc -34.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B4C6BA
oklch(80.9% 0.026 156.6)
-
Step 400
400
#8CA997
oklch(70.8% 0.041 157.9)
-
Step 500
500
#6F947D
oklch(63.2% 0.054 157.2)
-
Step 600
600 (this color)
#618971
oklch(59.3% 0.058 157.8)
-
Step 700
700
#466A55
oklch(49% 0.053 158.1)
-
Step 800
800
#3A5746
oklch(42.8% 0.045 158.1)
-
Step 900
900
#32473A
oklch(37.6% 0.034 157.1)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#618971 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #888370 | 0.054 |
| Deuteranopia (no green cones) | #827E72 | 0.053 |
| Tritanopia (no blue cones) | #5A8882 | 0.027 |
| Achromatopsia (no color) | #808080 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618971
#618971
oklch(59.3% 0.058 157.8)
- #95718A
#95718A
oklch(59.2% 0.057 337.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #618971, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.016
- Dusty Teal #4C9085 ΔE 0.033
- Dark Sage #598556 ΔE 0.040
- Green Grey #77926F ΔE 0.041
- Medium Grey #7D7F7C ΔE 0.053
- Steel Grey #6F828A ΔE 0.053
- Grey Teal #5E9B8A ΔE 0.054
- Ocean Green #3D9973 ΔE 0.054
Use #618971 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.